junobuild_collections/utils.rs
use crate::types::core::CollectionKey;
pub fn range_collection_end(collection: &CollectionKey) -> CollectionKey {
// Source: https://github.com/frederikrothenberger
// 0u8 shall be use until char::MIN get standardized
let mut end_collection: String = collection.clone();
end_collection.push(char::from(0u8));
end_collection
}